Computer monitor assembly



FIG. 1 is a front isometric view of a computer monitor assembly showing our new design;

FIG. 2 is a back elevation view thereof;

FIG. 3 is a side elevation view thereof, the other side elevation view being a mirror image of this view;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a computer monitor assembly, as shown and described. 